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How to Unlock Every Main Story Island in How to Fish

By Freedom251 Team · · 3 min read

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How to Fish is a video game, not a real-world fishing guide. Its familiar five-location route runs from Lighthouse to Forest, Desert, Rocks and Volcano, with boss fights and quests opening the way forward. That is the main story route—not a complete count of every island in the current game: the September 2026 Islet Update added mini-island content.

How many islands are in How to Fish?

There are five commonly named locations in the main story route: Lighthouse, Forest, Desert, Rocks and Volcano. Those labels come from community guides, rather than a canonical island list in the official Steam game description. The Steam page describes progression more broadly: players complete quests and fight bosses to reach new islands.

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Do not treat five as the total number of islands in the current game. The official Islet Update 1.1.0, published September 28, 2026, added multiple mini islands along with creatures, a mini-boss, items, bait, an NPC, achievements and an outfit. Official update material also refers to island 6, but does not establish a complete canonical list of mini-island names or coordinates. See the official Islet Update announcement for its scope.

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How do you unlock the main story islands?

The detailed boss and quest sequence below is reported by community walkthroughs; Steam confirms the general quest-and-boss progression, but not these specific names or steps. The route is a practical guide to the main story, not an official map or exhaustive account of optional mini-islands.

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  1. Start at Lighthouse and complete the Spider Crab sequence

    Begin in the Lighthouse area and progress through the Spider Crab encounter. Community walkthroughs say completing this sequence gives you boat keys, which let you travel onward.

  2. Reach Forest and defeat the Giant Piranha

    Prepare leech-based bait for the Giant Piranha. Defeating it yields a trophy that advances the story route.

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  3. Reach Desert, complete the Tourist’s Needlefish quest, then summon the Pufferfish

    Complete the Tourist’s Needlefish quest to obtain a carrot. Use the carrot to summon the Pufferfish, then defeat it to continue.

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  4. Reach Rocks and trigger the Terrorizing Bird encounter

    Defeat Tuna first. Community guides describe using Tuna to trigger the Terrorizing Bird, also called the Albatross encounter. Its trophy advances the route.

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  5. Reach Volcano for the late-game sequence

    Community walkthroughs describe the Volcano endgame as involving the Goblin Shark, Bowhead Whale and Mutated Bowhead Whale. The available route descriptions do not establish a more detailed official sequence for these encounters.

What changed in newer updates?

  • Island travel exploits may no longer work. Patch 1.0.5, published August 22, 2026, fixed a bug that let players travel to any island without unlocking it. Follow the progression route rather than relying on older bypass advice. The change is recorded in the official patch history.
  • There is more island content than the five main story locations. Islet Update 1.1.0 added multiple mini islands and adjusted distances between islands. It did not publish a complete canonical mini-island list or coordinates, so specific names and locations should not be assumed from the update announcement alone.

Main story route versus mini-island content

Content What is established How to use the information
Main story route Community guides commonly name Lighthouse, Forest, Desert, Rocks and Volcano, with progression through quests and boss encounters. Use this as a guide to the familiar story progression, not an official complete island inventory.
Mini-island content The official September 2026 update added multiple mini islands; official material also refers to island 6. A complete canonical list and coordinates are not stated in the announcement. Explore beyond the five main locations, but consult current in-game information for details the announcement does not provide.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Support on Ko-Fi

Sources and confidence

The game’s Steam listing establishes the title, its release date of August 20, 2026, its 1–4 player format and its broad quest-and-boss progression. The named route and encounter steps are community-reported walkthrough details, so individual requirements may change with updates. Official patch announcements establish the 1.0.5 travel-bug fix and the 1.1.0 mini-island additions, but not a full map of every island.

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